The Biplane Forum > Biplane Builder's Forums > Steen Skybolt > Skybolt R&D Versions > Delta Wing Build
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Old 07-06-2017, 12:07 PM   #1
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Default Delta Wing Build

Its finally coming!!!! My Steen Wing Kit is ready. I guess it will take a few weeks to get here (Sydney) so I thought I would take the time to get a build log ready.

Background:
I started building with the upper wing centre section of the Delta variant - the three piece upper wing. I have completed as far as I will go on the centre section until I can mount it and place the sway and stagger wires correctly and at that point will make the holes in the leading edge and the outside rear ribs.

I have completed the centre section fuel tank and it is now ready for welding. Need to get someone to do that. I dont feel like blowing a hole in the aluminium which I have not welded before.

The wing kit is 9 months later than I was told it would be when I ordered so over the last few months I have been scrounging things to do, given I don't have a wing kit and I intend to buy a fuse.

I won't waste your time with too many picks of the lower wings which I will start with and will focus on the upper wings when I get to them.

I did start on the upper wing butt ribs which are different to the rest as they have a integral compression rib in them.

The pic below shows the (from bottom to top)
1. The second butt rib being constructed. What I did was use the upper wing rib jig but has to remove some of the pins as the spar opening is 1 and 1/4" in this rib compared to the others at 1" due Ply doubler (which is only 1/8" thick on the top wing). Note in this picture the pieces are just laid on not glued and the middle 1" thick compression rib is not inserted. It just runs from front spar to rear spar in the middle of the rib.
2. First complete Butt Rib
3. Normal Rib for upper wing.


IMG_1072.jpg  
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Old 07-06-2017, 12:11 PM   #2
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Default Nose Rib

I thought I would also just add a picture of the nose rib area. I had to devise this method because if you look at the plans it is not clear how to get the nose rib set up. I cheated in that I used a standard 1/4" nose rib, but had to fill it out to 1/2" to match the rest of the rib. Both of these butt ribs are 1/2".

Here is what I did.
First picture is the rib without the laminate on so you can see how I filled out the 1/4 gap. Second pic is what it looks like completed and sheeted.


IMG_1073.jpg   IMG_1074.jpg  
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Old 07-06-2017, 02:44 PM   #3
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I don't know if this is of any help? It's not of the delta wing.

I built my Skybolt ribs and wings from the Steen kit

This gets you to the thread posts.
http://www.biplaneforum.com/showthre...t=9515&page=23
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Greetings. Eric.
Skybolt under construction. not expert but aspiring + builder
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Old 07-06-2017, 08:08 PM   #4
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Eric - I have read it and re-read it many times. It's a great record to learn from. Thanks for doing it.
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Old 07-11-2017, 02:10 AM   #5
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Not to jack this thread but has anybody used this type of compression rib in a standard wing instead of the 3/4" struts?
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Old 07-11-2017, 08:32 AM   #6
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Quote:
Originally Posted by AQAdude View Post
Not to jack this thread but has anybody used this type of compression rib in a standard wing instead of the 3/4" struts?
I haven't ever seen it but it sounds reasonable. I have attached a picture with the compression timber in the rib. This is then sheeted in 1/16th on either side.
IMG_1075.jpg  
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Old 08-12-2017, 12:49 AM   #7
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Still waiting. Kit is finished and paid for just waiting on freight now. Was due for pick up this week but TNT got their measurements and the spar crate was 5" too long of their vehicle.


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